2018 Toyota Highlander fuel/propulsion system problems
22 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 Toyota Highlander — 9% of all complaints for this model year.
What owners report
“I just got my vehicle inspected and successfully passed with no codes on 07/07/2026. Today 07/10/2026 as I was driving to work my vehicle began to jerk/ jitter and when into limp mode. I took it to a shop to have the codes checked on it and they said it was something to do with the transmission and…”
filed Jul 10, 2026
“First symptom I noticed was the car smell while it was running. I used a device to see what codes of any would pop up on a scan. It came up with codes tying into the fuel system. I then went to go fill up on gas couple days later and when going to start it back up it wouldn’t start. When it did…”
filed May 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Highlander years
| Year | Reports | Share |
|---|---|---|
| 2024 Highlander | 4 | 10% |
| 2023 Highlander | 16 | 9% |
| 2022 Highlander | 8 | 4% |
| 2021 Highlander | 31 | 6% |
| 2020 Highlander | 18 | 6% |
| 2019 Highlander | 86 | 18% |
| 2017 Highlander | 28 | 11% |
| 2016 Highlander | 3 | 3% |
| 2015 Highlander | 4 | 2% |
| 2013 Highlander | 12 | 6% |
| 2012 Highlander | 3 | 2% |
| 2011 Highlander | 1 | 1% |
Other reported problem areas on the 2018 Toyota Highlander
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.